A pig stand on the mud while people work on a landslide hit in Gongshan county, in southwest China's Yunnan province, Thursday, Aug. 19, 2010. Rescuers dug through the debris of China's latest landslide Thursday in a search for at least 90 people thought buried when a wall of mud crashed into their mountain town in southwestern China. (AP Photo)

A pig stand on the mud while people work on a landslide hit in Gongshan county, in southwest China's Yunnan province, Thursday, Aug. 19, 2010. Rescuers dug through the debris of China's latest landslide Thursday in a search for at least 90 people thought buried when a wall of mud crashed into their mountain town in southwestern China. (AP Photo)